Surf Forecasts:
How big are the waves at Irmas/Leftpoint today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 2ft (0.6m), 18s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 2ft (0.6m), 18s period with SSW swell.
- Evening surf: Evening surf (20 Aug, local time) - 2ft (0.6m), 17s period with SSW swell.
The current surf forecast for Irmas/Leftpoint at 10AM is: 0.6m 18s primary swell from a South-southwest direction and 0.9m 7s secondary swell from a Northeast direction, 0.8m 8s secondary swell from a East direction (forecast issued at 07:00am August 20). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 2ft (0.6m) | 18s |
| Afternoon (20 Aug) | 2ft (0.6m) | 18s |
| Evening (20 Aug) | 2ft (0.6m) | 17s |
Table - waves today at Irmas/Leftpoint. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Thu afternoon, min 25°C on Thu morning). Winds increasing (calm on Thu night, strong winds from the ENE by Sat night). | |||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||||||||
5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | E 8 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | NE 7 | NE 7 | NNE 7 | ENE 7 | NE 7 | NE 7 | ENE 7 | SSW 16 | SSW 16 | SSW 16 | S 14 | ENE 7 | NE 7 | ENE 7 | ENE 7 | E 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 97 | 204 | 207 | 207 | 202 | 186 | 179 | 119 | 91 | 46 | 67 | 93 | 106 | 96 | 322 | 322 | 322 | 144 | 137 | 106 | 225 | 277 | 278 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross-on | cross-on | glassy | glassy | cross | cross-on | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross |
High Tide | 10:20AM0.55m | 8:45PM0.20m | 11:21AM0.57m | 10:59PM0.20m | 12:10PM0.60m | ||||||||||||||||||
Low Tide | 7:38PM0.20m | 3:06AM0.11m | 7:49PM0.17m | 4:20AM0.10m | 8:09PM0.14m | ||||||||||||||||||
 |  | | | | | |  | | | | | | | | | | | | | | | | |
 | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:54 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 26 | 26 | 27 | 26 | 26 | 25 | 25 | 25 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 |
Feels °C | 27 | 27 | 29 | 28 | 29 | 29 | 29 | 29 | 30 | 29 | 29 | 30 | 29 | 29 | 27 | 28 | 28 | 26 | 24 | 22 | 22 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | NE 7 | NE 7 | ENE 7 | ENE 7 | ENE 7 | NE 7 | NE 7 | SW 17 | ENE 7 | NE 7 | NE 7 | ENE 7 | ENE 7 | SSW 16 | NE 7 | ENE 6 | SW 16 | ESE 7 | SW 16 | SW 16 | SSW 16 |
| kJ | 97 | 72 | 67 | 73 | 160 | 142 | 138 | 119 | 91 | 295 | 67 | 93 | 106 | 96 | 110 | 322 | 75 | 133 | 261 | 91 | 255 | 251 | 215 |
Swell 2 Height (m) Direction Period (s) | NNE 6 | NNE 6 | E 8 | E 8 | SSW 17 | SSW 17 | SSW 16 | SW 16 | SW 17 | NNE 7 | SW 17 | SW 17 | SW 16 | SW 16 | SSW 16 | W 10 | SSW 16 | SW 16 | S 13 | SW 16 | SSE 12 | SSE 12 | S 12 |
| kJ | 51 | 51 | 71 | 76 | 202 | 186 | 179 | 278 | 288 | 46 | 295 | 288 | 264 | 255 | 322 | 31 | 322 | 261 | 84 | 258 | 50 | 49 | 46 |
Swell 3 Height (m) Direction Period (s) | SW 17 | SSW 18 | SSW 18 | SSW 18 | SSE 12 | W 10 | W 10 | W 9 | E 8 | E 8 | NNE 7 | W 11 | W 10 | W 10 | W 10 | S 13 | S 13 | S 14 | ESE 8 | SSE 12 | WNW 10 | WNW 11 | WNW 11 |
| kJ | 140 | 204 | 207 | 207 | 28 | 33 | 31 | 28 | 32 | 29 | 41 | 35 | 32 | 31 | 31 | 54 | 87 | 144 | 22 | 51 | 35 | 39 | 39 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | ENE 7 | — | — | — | ENE 7 | E 6 | — | ENE 7 | NE 7 | ENE 7 | ENE 7 | E 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 68 | — | — | — | 117 | 55 | — | 137 | 106 | 225 | 277 | 278 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 18 | 15 | 6 | 6 | 15 | 15 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 15 | 6 | 18 | 6 | 6 | 18 | 49 | 56 | 58 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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